Saint Simons Island Swell ForecastUnited StatesGAGlynn CountySaint Simons Island1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIISaint Simons Island swell forecast issued yesterday at 6:46 pm. Next forecast at approx. 6:46 pm.Get WillyWeather+ to remove ads